Configuring InterVLAN Routing Using an Internal Router (Layer 3 Card) on Catalyst 5500/5000 and 6500/6000 Switches That Run CatOS System Software - Cisco
Interface status codes
Configure Inter VLAN Routing in Cisco Router
How to configure a Cisco Layer3 Switch-InterVLAN Routing Without Router
captive portal for one vlan with Cisco router as a gateway – Zeroshell Linux Router
SOLVED] VLAN Status up, protocol down? - Networking
networking - Line protocol on Interface GigabitEthernet1/0/1, changed state to down - Server Fault